Home / 1,013,083.10-1,396,432.60-686,296.70

Finding the Fourth Proportional to 1,013,083.10, 1,396,432.60 and 686,296.70

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Solution

The fourth proportional to 1,013,083.10, 1,396,432.60 and 686,296.70 is: 945,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,083.10 : 1,396,432.60 = 686,296.70 : x
  2. Step 2: Convert to fraction form
    1,013,083.10/1,396,432.60 = 686,296.70/x
  3. Step 3: Cross multiply
    1,013,083.10x = 1,396,432.60 × 686,296.70
  4. Step 4: Simplify right side
    1,013,083.10x = 958,367,076,454.52
  5. Step 5: Solve for x
    x = 958,367,076,454.52/1,013,083.10
  6. Step 6: Final answer
    x = 945,990.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.